<template>
  <view class="cart-container" v-if="cart.length != 0">
    <my-address></my-address>
    <view class="cart-title">
      <!-- 侧的图标 -->
      <uni-icons type="shop" size="18"></uni-icons>
      <text class="cart-title-text">购物车</text>
    </view>
   <uni-swipe-action>
     <block v-for="(good,i) in cart" :key="i">
      <uni-swipe-action-item :right-options="options" @click="swipeActionClickHandler(good)">
           <my-goods :goods="good" :showRadio="true" @radioChange="radioChangeHandler" :showNum="true" @numChange="numberChangeHandler"></my-goods>
      </uni-swipe-action-item>
      </block>
   </uni-swipe-action>
   <my-settle></my-settle>
  </view>
 <!-- 空白购物车区域 -->
  <view class="empty-cart" v-else>
     <image src="/static/cart_empty@2x.png" class="empty-img"></image>
     <text class="tip-text">空空如也~</text>
   </view>
</template>

<script>
  import badgeMix  from '@/mixins/tabbar-badge.js'
  import { mapState, mapMutations } from 'vuex'
  
  export default {
    mixins:[badgeMix],
    computed: {
      ...mapState('m_cart',['cart'])
    },
    data() {
      return {
        options: [{
          text:'删除',
          style: {
            backgroundColor:'#c00000'
          }
        }]
      };
    },
    methods: {
      ...mapMutations('m_cart',['updateGoodsState','updateGoodsCount','removeGoodsById']),
      radioChangeHandler(e){
        this.updateGoodsState(e)
      },
      numberChangeHandler(e){
        this.updateGoodsCount(e)
      },
      swipeActionClickHandler(good) {
        this.removeGoodsById(good)
      }
    }
  }
</script>

<style lang="scss">
  .cart-title {
    height: 40px;
    display: flex;
    align-items: center;
    font-size: 14px;
    padding-left: 5px;
    border-bottom: 1px solid #efefef;
    .cart-title-text {
      margin-left: 10px;
    }
  }
  .empty-cart {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 150px;
  
    .empty-img {
      width: 90px;
      height: 90px;
    }
  
    .tip-text {
      font-size: 12px;
      color: gray;
      margin-top: 15px;
    }
  }
</style>
